Home / 159,726.24-220,413.15-99,295.34

Finding the Fourth Proportional to 159,726.24, 220,413.15 and 99,295.34

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Solution

The fourth proportional to 159,726.24, 220,413.15 and 99,295.34 is: 137,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,726.24 : 220,413.15 = 99,295.34 : x
  2. Step 2: Convert to fraction form
    159,726.24/220,413.15 = 99,295.34/x
  3. Step 3: Cross multiply
    159,726.24x = 220,413.15 × 99,295.34
  4. Step 4: Simplify right side
    159,726.24x = 21,885,997,567.66
  5. Step 5: Solve for x
    x = 21,885,997,567.66/159,726.24
  6. Step 6: Final answer
    x = 137,021.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.